Brake drum convenient to install

Abstract

The utility model relates to the technical field of brake devices, in particular to a brake drum convenient to install, which comprises a brake drum body, a second through hole is arranged on the outer side of the upper half portion of the brake drum body, and a baffle is fixedly connected with the brake drum body through a connecting nut. And then an anti-skid bolt is sleeved with a first screw hole to fix a connecting nut in a semi-groove formed in the brake drum body, a buckle fixedly connected with a baffle is clamped in a clamping groove, so that parts in the semi-groove are protected, and the problem that an existing device is not provided with a device for protecting the bolt and the threaded hole is solved. The problems that in actual use, chippings generated by friction of a brake disc may cause metal chippings to enter a bolt or a threaded hole, so that the brake disc is not easy to disassemble, the device may fall off due to serious abrasion, and no chipping discharging structure is arranged, so that abrasion of the brake disc is accelerated, and an internal bolt connecting structure is damaged are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of brake devices, in particular to a brake drum which is easy to install. Background Art

[0002] Drum brakes use a brake transmission mechanism to make the brake shoe press the brake friction pad against the inside of the brake drum, thereby generating braking force.

[0003] At present, there is an existing brake drum that is easy to install (such as patent number: CN217462991 U), which discloses a brake drum that is easy to install, including a brake drum, an output shaft, and a countersunk groove. The brake drum is sleeved on the output shaft, and the brake drum is provided with a countersunk groove, and one end of the output shaft extends into the countersunk groove; positioning grooves are equidistantly arranged in the countersunk groove, and one end of the output shaft is threadedly connected and provided with a connecting nut; rotation auxiliary convex strips are symmetrically arranged on both sides of the connecting nut to facilitate the tightening of the connecting nut and improve the convenience of operation of the staff; and by equidistantly arranging positioning grooves in the countersunk groove for use in conjunction with fastening accessories, the tightened connecting nut is locked, the installation stability is improved, and ultimately the convenience of brake drum installation work is improved, and work efficiency is improved.

[0004] However, during the implementation of the above technical solution, it was found that there were at least the following technical problems:

[0005] 1. The existing device is not provided with a device to protect the bolts and threaded holes. In actual use, the debris generated by the friction of the brake disc may cause metal debris to enter the bolts or threaded holes, making it difficult to disassemble and may cause the device to fall off due to severe wear.

[0006] 2. The existing device is not provided with a debris discharge structure. After long-term use, a large amount of debris will accumulate in the trough, which will accelerate the wear of the brake pads and damage the internal bolt connection structure. Utility Model Content

[0007] 1. Technical issues to be resolved

[0008] In view of the deficiencies in the prior art, the utility model provides a brake drum that is easy to install, and solves the technical problems that the prior device is not provided with a device to protect the bolts and threaded holes, the debris generated by the friction of the brake disc during actual use may cause metal debris to enter the bolts or threaded holes, making it difficult to disassemble and may cause the device to fall off due to severe wear, and the lack of a debris discharge structure will accelerate the wear of the brake pads and damage the internal bolt connection structure.

[0009] (II) Technical solution

[0010] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0011] A brake drum that is easy to install includes a brake drum body, a second through hole is provided on the outer side of the upper half of the brake drum body, the second through hole is connected to the first through hole at one end close to the inner side of the brake drum body, a half groove is provided on the inner side of the brake drum body, the first through hole leads to the half groove, a clamping groove is provided below the first through hole and on the surface of the half groove, a buckle is clamped in the clamping groove, a baffle is fixedly connected to the buckle, a pull plate is provided at the end of the baffle away from the buckle, a second screw hole is provided on the bottom surface of the half groove, an output shaft passes through the central axis of the brake drum body, the output shaft passes through one end of the brake drum body and is arranged in the half groove, the output shaft passes through one end of the brake drum body and is rotatably sleeved with a connecting nut, the connecting nut is fixedly connected with four connecting and fixing blocks, the connecting and fixing blocks are all provided with a first screw hole, an anti-slip bolt is rotatably sleeved in the first screw hole, the anti-slip bolt passes through the first screw hole and is rotatably sleeved in the second screw hole.

[0012] Preferably, the opening diameter of the second through hole is larger than the opening diameter of the first through hole.

[0013] Preferably, the number of the second screw holes formed on the surface of the half slot is twenty.

[0014] Preferably, the baffle is located below the first through hole and closer to the bottom surface of the half groove.

[0015] Preferably, the number of the first through holes is four, the number of the second through holes is four, the number of the card slots is four, and the number of the buckles is four.

[0016] Preferably, the diameter of the baffle is equal to the diameter of the half groove.

[0017] (III) Beneficial effects

[0018] 1. Use a connecting nut to connect and fix the baffle plate to the brake drum body, then use an anti-slip bolt to sleeve the first screw hole to fix the connecting nut in the half groove opened on the brake drum body, and snap the buckle connected to the baffle plate into the slot to protect all parts in the half groove. This solves the problem that the existing device does not have a device to protect the bolts and threaded holes. During actual use, the debris generated by the friction of the brake disc may cause metal debris to enter the bolts or threaded holes, making it difficult to disassemble and may cause the device to fall off due to severe wear.

[0019] 2. The four first through holes are located above the baffle. After the brake drum body is used for a long time, debris is generated, and some of it will be scattered above the baffle. The debris is discharged through the first through hole and finally discharged out of the half groove through the second through hole, which solves the problem that the existing device does not have a debris discharge structure, which will accelerate the wear of the brake pad and damage the internal bolt connection structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings.

[0021] Figure 1 It is the overall structure diagram of the utility model;

[0022] Figure 2 This is a structural diagram of the utility model with the baffle removed as a whole;

[0023] Figure 3 This is a structural diagram of the baffle of the utility model;

[0024] Figure 4 This is an overall half-section exploded structural diagram of the device of the utility model.

[0025] Legend: 1. Brake drum body; 2. Baffle; 3. First through hole; 4. Output shaft; 5. Connecting nut; 7. Half slot; 8. Anti-slip bolt; 101. Second through hole; 201. Pull plate; 202. Buckle; 301. Slot; 501. First screw hole; 701. Second screw hole. DETAILED DESCRIPTION

[0026] The embodiments of the present application provide a brake drum that is easy to install, which effectively solves the problem that the existing device is not provided with a device to protect the bolts and threaded holes. During actual use, the debris generated by the friction of the brake disc may cause metal debris to enter the bolts or threaded holes, making it difficult to disassemble and may cause the device to fall off due to severe wear. The problem that a debris discharge structure is not provided will accelerate the wear of the brake pads and damage the internal bolt connection structure.

[0027] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the technical solution in the embodiment of the present application effectively solves the technical problems that the existing device is not provided with a device to protect the bolts and threaded holes, the debris generated by the friction of the brake disc in actual use may cause metal debris to enter the bolts or threaded holes, making it difficult to disassemble and may cause the device to fall off due to severe wear, and the lack of a debris discharge structure will accelerate the wear of the brake pad and damage the internal bolt connection structure. The overall idea is as follows:

[0028] In view of the problems existing in the prior art, the utility model provides a brake drum that is easy to install, including a brake drum body 1, a second through hole 101 is opened on the outer side of the upper half of the brake drum body 1, and the second through hole 101 is connected to the first through hole 3 at one end of the inner side of the brake drum body 1, a half groove 7 is opened on the inner side of the brake drum body 1, the first through hole 3 leads to the half groove 7, a card slot 301 is opened below the first through hole 3 and on the surface of the half groove 7, a card buckle 202 is clamped in the card slot 301, and the card buckle 202 is fixedly connected to a baffle 2, and the baffle 2 is away from the card buckle A pull plate 201 is provided at one end of 202, and a second screw hole 701 is provided on the bottom surface of the half groove 7. An output shaft 4 passes through the central axis of the brake drum body 1, and the output shaft 4 passes through one end of the brake drum body 1 and is placed in the half groove 7. The output shaft 4 passes through one end of the brake drum body 1 and is rotatably sleeved with a connecting nut 5. The connecting nut 5 is fixedly connected with four connecting and fixing blocks, and the connecting and fixing blocks are all provided with a first screw hole 501. An anti-slip bolt 8 is rotatably sleeved in the first screw hole 501, and the anti-slip bolt 8 passes through the first screw hole 501 and is rotatably sleeved in the second screw hole 701.

[0029] The opening diameter of the second through hole 101 is larger than that of the first through hole 3 , so as to facilitate cleaning of the first through hole 3 and prevent it from being clogged by metal debris. The smaller first through hole 3 is conveniently disposed above the baffle 2 .

[0030] The number of the second screw holes 701 opened on the surface of the half slot 7 is twenty.

[0031] The baffle plate 2 is located below the first through hole 3 and closer to the bottom surface of the half groove 7. The baffle plate 2 is arranged closer to the half groove 7 to facilitate the discharge of debris and prevent external dust from entering the half groove 7 through the second through hole 101.

[0032] There are four first through holes 3, four second through holes 101, four card slots 301, and four buckles 202. The four buckles 202 are snapped into the card slots 301 to fix the baffle 2. The first through holes 3 can discharge metal debris out of the device.

[0033] The diameter of the baffle plate 2 is equal to the diameter of the half groove 7 , and the baffle plate 2 is used to seal and protect the structural parts in the half groove 7 .

[0034] Working principle:

[0035] In the first step, use the connecting nut 5 to connect and fix the baffle 2 to the brake drum body 1, and then use the anti-slip bolt 8 to sleeve the first screw hole 501 to fix the connecting nut 5 in the half groove 7 opened in the brake drum body 1, and clamp the buckle 202 that fixes the baffle 2 into the clamping groove 301 to protect all parts in the half groove 7.

[0036] In the second step, the four first through holes 3 are located above the baffle 2. After the brake drum body 1 is used for a long time, debris is generated, and part of it will be scattered above the baffle 2. The debris is discharged through the first through holes 3 and finally discharged from the half groove 7 through the second through holes 101.

[0037] Finally, it should be noted that: Obviously, the above embodiments are only examples for clearly explaining the present invention, and are not intended to limit the implementation methods. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from this are still within the scope of protection of the present invention.

Claims

1. A brake drum that is easy to install, comprising a brake drum body (1), characterized in that: A second through hole (101) is provided on the outer side of the upper half of the brake drum body (1); one end of the second through hole (101) close to the inner side of the brake drum body (1) is connected to the first through hole (3); a half groove (7) is provided on the inner side of the brake drum body (1); the first through hole (3) leads to the half groove (7); a clamping groove (301) is provided below the first through hole (3) and on the surface of the half groove (7); a buckle (202) is clamped in the clamping groove (301); the buckle (202) is fixedly connected to a baffle (2); a pull plate (201) is provided on the end of the baffle (2) away from the buckle (202); A second screw hole (701) is provided on the bottom surface of the groove (7); an output shaft (4) passes through the central axis of the brake drum body (1); one end of the output shaft (4) passes through the brake drum body (1) and is placed in the half groove (7); one end of the output shaft (4) passes through the brake drum body (1) and is rotatably sleeved with a connecting nut (5); the connecting nut (5) is fixedly connected with four connecting and fixing blocks; each of the connecting and fixing blocks has a first screw hole (501); an anti-slip bolt (8) is rotatably sleeved in the first screw hole (501); the anti-slip bolt (8) passes through the first screw hole (501) and is rotatably sleeved in the second screw hole (701).

2. A brake drum that is easy to install as claimed in claim 1, characterized in that: The opening diameter of the second through hole (101) is greater than the opening diameter of the first through hole (3).

3. A brake drum that is easy to install as claimed in claim 1, characterized in that: The number of the second screw holes (701) opened on the surface of the half slot (7) is twenty.

4. A brake drum that is easy to install as claimed in claim 1, characterized in that: The baffle (2) is located below the first through hole (3) and closer to the bottom surface of the half groove (7).

5. A brake drum that is easy to install as claimed in claim 1, characterized in that: The number of the first through holes (3) is four, the number of the second through holes (101) is four, the number of the card slots (301) is four, and the number of the buckles (202) is four.

6. A brake drum that is easy to install as claimed in claim 1, characterized in that: The diameter of the baffle (2) is equal to the diameter of the half groove (7).

Images